<template>
    <div class="app-continer">

        <!-- 顶部Header区域 -->
        <mt-header fixed title="SLF * Vue项目">
			<mt-button icon="back" slot="left" @click="goBack()" v-show="flag">返回</mt-button>
		</mt-header>

        <!-- 中间的路由router-view区域 -->
		<transition>
			<router-view></router-view>
		</transition>
		

        <!-- 底部Tabbar区域 -->
        <nav class="mui-bar mui-bar-tab">
			<router-link class="mui-tab-item" to="/home">
				<span class="mui-icon mui-icon-home"></span>
				<span class="mui-tab-label">首页</span>
			</router-link>
			<router-link class="mui-tab-item" to="/member">
				<span class="mui-icon mui-icon-contact"></span>
				<span class="mui-tab-label">会员</span>
			</router-link>
			<router-link class="mui-tab-item" to="/shopcar">
				<span class="mui-icon mui-icon-extra mui-icon-extra-cart"><span class="mui-badge" id="badge">{{$store.getters.getAllCount}}</span></span>
				<span class="mui-tab-label">购物车</span>
			</router-link>
			<router-link class="mui-tab-item" to="/search">
				<span class="mui-icon mui-icon-gear"></span>
				<span class="mui-tab-label">搜索</span>
			</router-link>
		</nav>
    </div>
</template>

<script>
export default {
	data () {
		return {
			flag:false
		}
	},
	created () {
		this.flag=this.$route.path=="/home"?false:true;
	},
	methods: {
		goBack(){
			//点击后退
			this.$router.go(-1)
		}
	},
	watch: {
		'$route.path':function(newVal){
			if(newVal=='/home'){
				this.flag=false;
			}else{
				this.flag=true;
			}
		}
	}
}
</script>

<style lang="scss" scoped>
.mt-header{
	z-index: 99;
}
.app-continer{
	padding-top: 40px;
	padding-bottom: 50px;
	overflow-x: hidden;
}
.v-enter{
	opacity: 0;
	transform: translateX(100%)
}
.v-leave-to{
	opacity: 0;
	transform: translateX(-100%);
	position:absolute;
}
.v-enter-active,
.v-leave-active{
	transition: all 0.5s ease
}
</style>